A team of researchers with the International Institute for Applied Systems Analysis has found a connection between fertility rates in many African countries and access to education for girls living in those countries. In ...

Researchers at Linköping University in Sweden call into question an influential theory of the self-reinforcing dynamics of urban growth. Their research, published in Science Advances, shows that big cities feed on their ...

The critically endangered Grauer's gorilla has recently lost genetic diversity and has experienced an increase in harmful mutations. These conclusions were reached by an international team of researchers who sequenced eleven ...

Males and females mate to produce offspring, but their relationships are not always cooperative. The conflict between the sexes when they behave selfishly can be negative for the whole group. A group of Japanese researchers ...

Knowing approximately how many individuals of a certain species are out there is important for bird conservation efforts, but raw data from bird surveys tends to underestimate bird abundance. The researchers behind a new ...

Over the last 2000 years Christianity has grown from a tiny religious sect to the largest family of religions in the world. How did Christianity become so successful? Did Christianity spread through grass-roots movements ...

2.6 billion people—a third of the world's population—live in countries where democracy is in retreat, according to a new study based on the largest dataset on democracy, published today in Democratization. The research ...

Oceanic warm-water events in the Gulf of California have increased in frequency during the last three decades, passing from a historic mean of one or two warm anomalies per decade to five events in the 2007-2016 period. This ...

Scientists from the Institut Pasteur set out to understand how the demographic changes associated with the Neolithic transition also influenced the efficacy of natural selection. By comparing the genome diversity of more ...

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